We should ______ trees., pollute, plant, burn, destroy, We shouldn’t ______ rubbish around., recycle, save, throw, protect, We should use ______ transportation., water, public, nuclear, noise, We shouldn’t burn _______., coal, water, dirt, batteries, We should save ______., pollution, coal, rubbish, water, We should recycle plastic, paper and ______., glass, smoke, coal, noise, We shouldn’t pollute the ________., environment, battery, bus, tree, We should use solar _______., pollution, layer, energy, waste, We should use wind _______., rubbish, energy, pollution, transportation, Farmers shouldn’t use too many ______., trees, pesticides, batteries, buses, We should protect the ozone ______., energy, pollution, layer, water, Noise ______ is harmful for people., transportation, pollution, energy, battery, Air pollution causes health ______., batteries, trees, problems, water, We should use rechargeable ______., coal, batteries, pollution, forests, We must stop ______., planting trees, recycling, deforestation, saving water, We should keep the environment ______., dirty, noisy, clean, dangerous, We shouldn’t destroy ______., forests, transportation, buses, water, Renewable energy is better than fossil ______., transportation, fuel, rubbish, temperature, We should turn ______ the lights when we leave a room., on, into, off, under, We should use eco-friendly _______., products, pollution, coal, rubbish, Water pollution harms sea ______., transportation, animals, batteries, factories, We should reduce ______ to protect nature., pollution, trees, water, oxygen, We shouldn’t waste __________., batteries, forests, energy, transportation, 24. Public transportation helps reduce air ______., batteries, pollution, forests, coal, We should take precautions against global ______., warming, battery, transportation, pesticide, Trees produce oxygen and clean the ______., rubbish, battery, air, coal

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